| Value | Category | Cases | |
|---|---|---|---|
| 0 | 217 |
31.1%
|
|
| 1 | 47 |
6.7%
|
|
| 2 | 27 |
3.9%
|
|
| 3 | 174 |
25%
|
|
| 4 | 232 |
33.3%
|
|
| Sysmiss | 873 |